Danfoss 175G5579 VLT Soft Starter MCD 500 with 105 A current rating, integrated bypass and three-phase 380-690 V AC operation for industrial motor control applications.
The Danfoss 175G5579 is an advanced VLT® Soft Starter MCD 500 designed for reliable and controlled starting and stopping of three-phase motors in industrial automation, machinery and heavy-duty applications. As part of the Danfoss MCD 500 soft starter series, it provides intelligent motor control, advanced protection functions and smooth acceleration performance for demanding industrial environments.
This digital soft starter combines Adaptive Acceleration Control (AAC), motor monitoring and integrated bypass technology to help reduce mechanical stress, limit electrical current surges and improve equipment reliability. The MCD 500 range is engineered as a complete motor starting solution for industrial applications requiring dependable operation and flexible configuration.
With a rated current of 131 A and support for three-phase 380–690 V AC supplies, the Danfoss 175G5579 is suitable for larger industrial motors used in pumps, fans, conveyors, compressors and processing equipment. Its IP00 enclosure and G2 frame design allow integration into customised electrical control panels and industrial motor control systems.
Soft starters such as the Danfoss VLT® MCD 500 regulate motor voltage during startup and shutdown, reducing mechanical shock and electrical stress. This helps extend motor life, improve system performance and protect connected machinery.
The MCD 500 series provides a complete motor starting solution with intelligent control algorithms, flexible configuration options and integrated protection features. The Danfoss 175G5579 is designed for industrial systems where reliable motor operation and reduced downtime are essential.
| Current | 131 A |
|---|---|
| Voltage | 110 V |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | VLT® Soft Starter MCD 500 |
| Part number | 175G5579 |
| Product type | Soft starter |
| Rated current | 105 A |
| AC53b rating | 3-30:570 |
| Input voltage | 380–690 V AC |
| Input phases | 3-phase |
| Frequency | 50 / 60 Hz |
| Control voltage | 110 VAC and 220 VAC |
| Bypass | With integrated bypass contactor |
| Protection rating | IP20 |
| Frame size | G1 |
| Mounting type | Panel / cabinet mounting |
| Approximate net weight | 4.9 kg |
| EAN | 5710108872403 |
The Danfoss 175G5579 is a VLT® Soft Starter MCD 500 used to control the acceleration and deceleration of three-phase industrial motors.
The 175G5579 supports motors with a rated operational current of 131 A.
The soft starter operates from a three-phase 380–690 V AC supply.
Yes, the unit includes an integrated bypass contactor to improve efficiency during normal motor operation.
The Danfoss 175G5579 is typically installed inside electrical control panels for industrial motor control systems.
Danfoss VLT® Soft Starter MCD 500 products are widely used by engineers and machine builders to deliver reliable motor starting, reduced mechanical stress and efficient industrial operation.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...